Oracle-L: question parallel query used by SMON

From: Ryan <ryan_oracle_at_cox.net>
Date: Fri, 31 Oct 2003 15:14:25 -0800
Message-ID: <F001.005D538C.20031031151425@fatcity.com>

Im studying for the backup and recovery exam. One quesiton from self test software states that SMON will use parallel query when it detects a dread transaction with a 'large number' of rollback blocks.

my questions:

is the number of parallel query slaves it uses based on my parallel max servers? I have been setting this very high because there are times when I need it. I didnt see any harm in it. Im concerned that a large rollback might suck up too many resources.
What is considered a 'large number' of rollback blocks?

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Author: Ryan
INET: ryan_oracle_at_cox.net

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